2621604050 has 54 divisors (see below), whose sum is σ = 5289624333. Its totient is φ = 966239040.

The previous prime is 2621604049. The next prime is 2621604067. The reversal of 2621604050 is 504061262.

It can be written as a sum of positive squares in 14 ways, for example, as 1896863809 + 724740241 = 43553^2 + 26921^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=36205.

It is a super-4 number, since 4×2621604050⁴ (a number of 39 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4706372 + ... + 4706928.

Almost surely, 2^2621604050 is an apocalyptic number.

2621604050 is an abundant number, since it is smaller than the sum of its proper divisors (2668020283).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2621604050 is an equidigital number, since it uses as much as digits as its factorization.

2621604050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2621604050 is about 51201.6020257179. The cubic root of 2621604050 is about 1378.8669636353.

The spelling of 2621604050 in words is "two billion, six hundred twenty-one million, six hundred four thousand, fifty".